Aristotle, The Politics. Translated with an introduction by Carnes Lord. (Chicago, 1984). An admirable translation, remarkably close to the Greek but still very readable.

W. L. Newman, The Politics of Aristotle, 4 vols. (Oxford, 1887-1902). A massive critical commentary that has never been equaled. See especially his discussion of Aristotle and Greek democracy in vol. 4, pages xxxvi-lxi.

R. G. Mulgan, Aristotle’s Political Theory. An Introduction for Students of Political Theory (Oxford, 1977), pages 73-75, and “Aristotle’s analysis of democracy and oligarchy,” in A Companion to Aristotle’s Politics, ed. David Keyt and Fred D, Miller, Jr. (Blackwell, Oxford, 1991), pages 307-322.

Josiah Ober, “Aristotle’s Political Sociology: Class, Status, and Order in the Politics,” in Essays on the Foundations of Aristotelian Political Science, edited Carnes Lord and David K. O'Connor (Berkeley and Los Angeles, 1991), pages 112-135.